手机的利弊
Advantags and Disadvantags of Cll Phons(手机的利弊)
1．手机使用的普遍性；
2．手机的优点；
3．手机的危害及我的建议。
[写作导航]先指出当前手机使用很普遍，然后用事实(随处可见人们用手机通话，许多大学生、高中生都有手机)来支持主题句；手机的优点主要是方便通信，甚至上网，还体现在突发事件(疾病、交通事故)的求助上；手机的缺点主要是辐射和干扰他人，因此我建议尽量少用，重要场合(开会、上课时)关机。
[范文]
Cll phons hav bcom incrasingly popular in China ths days. Whrvr you go you can s popl using cll phons. Many collg studnts, vn high school studnts, hav cll phons.
Cll phons hav brought popl a lot of bnfits, but th most important is that thy ar convnint. With cll phons in thir hands, thy can kp in touch with anybody thy want. If thy want to gt som information from th Intrnt, thy can asily hav thir dram ralizd via cll phons too. Furthrmor, if somon has a hart attack or a traffic accidnt, a call to mrgncy hospital or to th polic can quickly bring him th hlp h wants.
Howvr, cll phons can also bring popl problms. Th most srious is th lctric wav radiation which is thought to b harmful to usrs＇ brains. Anothr problm is that whn popl ar having a mting or having a class or at a concrt tc, th ring of th cll phon may intrrupt othrs. So I think popl should us cllphons as littl as possibl and turn thm off whn thy ar attnding important mtings or attnding classs.
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